This M-7N drill bit set is made of high speed steel. It is designed for use with stainless steel and cast iron. This 350N series drill bit set has a black and gold finish, and has fractional inch measurements. It has a 4 1/16 inch length. Plus it has 2 9/16 inch flutes, straight shank with three flats, neutral cutting direction, and 135 Degrees split point.
Technical Specs
ItemMechanics Length Drill
Decimal Equivalent0.3281 in
Material - MachiningHigh Speed Steel
Flute TypeSpiral
Drill Bit Point Angle135 Degrees
Flute Length2 9/16 in
Maximum Drilling Depth2 in
Depth:Dia. Ratio4xD
Drill Length ClassMechanics Length
Shank Length1.5 in
Material Grade - MachiningM-7N
ApplicationStainless Steel, Other Hard Metal
Drill Bit Size21/64 in
Measurement SystemFractional Inch
Finish - MachiningBlack, Gold
Shank Type - MachiningStraight with Three Flats
Drill Bit Point TypeSplit Point
Overall Length4 1/16 in
Cutting DirectionLeft Hand, Right Hand
Drill Bit GroupingIndividual
Series350N
Spiral DirectionNeutral
Primary Material ApplicationStainless Steel and Other Hard Metal